Description:As Japan's earnings season kicks into gear, the spotlight is on the very different fates of the country's two wireless giants: Japan's biggest mobile operator NTT DoCoMo and billionaire CEO Masayoshi Son's SoftBank Analysts expect their latest results to confirm a clear trend - SoftBank's operating profit showing stellar gains and NTT DoCoMo looking a tad slower. In fact, this might be the business year where SoftBank's operating profit surpasses its old rival's.(2:14)